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1. To select your preferred partition environment, click on the Partition Management icon under the HMC
host name. The Contents area now lists the processor subsystem as available as a managed system.
If you have only one processor subsystem, the Contents area lists the processor subsystem as
System A.
2. Select the appropriate managed system.
3. To power off the managed system, select the desired system in the Contents area. Next, on the menu,
choose Selected.
4. Select Power Off.
5. A screen displays to verify that you want to power off. Select Yes.
Note: Only logic power will be removed; 350 V dc power will still be present within the system.
Graphics Console Support
The pSeries 655 Model 651 Processor Subsystem supports graphics consoles. Graphics console support
requires the following adapters:
v Graphics adapter with a graphics display attached
v Universal Serial Bus (USB) adapter with a keyboard and mouse attached
Only one graphics console is supported per system partition. If the system is running partitions, up to eight
partitions can have graphics consoles.
The graphics console is functional only when AIX is running. For any installation or service processor
functions, you must use the HMC.
Understanding the Power-On Self-Test (POST)
After power is turned on and before the operating system is loaded, the partition does a power-on self-test
(POST). This test performs checks to ensure that the hardware is functioning correctly before the
operating system is loaded. During the POST, a POST screen displays, and POST indicators appear on
the virtual terminal window. The next section describes the POST indicators and functions that can be
accessed during the POST.
POST Indicators
POST indicators indicate tests that are being performed as the partition is preparing to load the operating
system. The POST indicators are words that display on the virtual terminal window. Each time that the
firmware starts another different step in the POST, a POST indicator word appears on the console. Each
word is an indicator of the tests that are being performed.
The POST screen displays the following words:
Memory
Memory test
Keyboard
Initialize the keyboard and mouse. The time period for pressing a key to access the System
Management Services, or to initiate a service mode boot, is now open. See "POST Keys" on page
17 for more information.
Network
Self-test on network adapters
SCSI
Adapters are being initialized
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Eserver pSeries 655 User's Guide
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